Features: Industrial isolated adapter adopts FT2232HL chip program, stable communication Suitable for various industrial control equipment or applications with high communication requirements Adopt original FT2232HL chip program,fast communication is stable, good compatibility Supports USB expansion of 2CH RS485, simultaneous communication, integrated power isolation, can provide stable isolation voltages, isolation end without additional power supply Support RS485 flexible switching;Signals isolation, high reliability, low power consumption External LED easy to view the power supply and signals transceiver Industrial easy installation Specifications: Item: USB to 2CH RS485 Adapter Module Chip：Adopt FT2232HL Size:about 5.4x8.19cm/2.13x3.22in Package Includes: 1Set USB to 2Way RS485 Adapter Module note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.